{"id":"CVE-2015-1555","aliases":["EUVD-2015-1689","GHSA-89c6-rprr-qfr3"],"status":"published","title":"Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows...","description":"Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows remote attackers to create valid sessions without using session validators.","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01393,"percentile":0.72549,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2017-08-07T17:00:00Z","modified":"2026-06-17T00:22:35Z","products":[{"vendor":"zend","product":"zend_framework"}],"references":[{"url":"http://framework.zend.com/security/advisory/ZF2015-01","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-1555"},{"url":"https://github.com/advisories/GHSA-89c6-rprr-qfr3"}],"sources":{"cve":[{"id":"CVE-2015-1555","description":"Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows remote attackers to create valid sessions without using session validators.","status":"published","published":"2017-08-07T17:00:00Z","modified":"2024-08-06T04:47:16.96Z","updated_at":"2026-11-02T14:35:43.698357Z"}],"euvd":[{"id":"EUVD-2015-1689","description":"Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows remote attackers to create valid sessions without using session validators.","status":"published","published":"2017-08-07T17:00:00Z","modified":"2024-08-06T04:47:16Z","updated_at":"2026-11-03T02:22:15.089401Z"}],"ghsa":[{"id":"GHSA-89c6-rprr-qfr3","title":"Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows...","description":"Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows remote attackers to create valid sessions without using session validators.","status":"published","published":"2022-05-17T02:13:51Z","modified":"2023-01-27T05:03:35Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:42:16.640621Z"}],"nvd":[{"id":"CVE-2015-1555","description":"Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows remote attackers to create valid sessions without using session validators.","status":"published","published":"2017-08-07T17:29:00.347Z","modified":"2026-06-17T00:22:35.78Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:17.730372Z"}]}}